400523211213 has 8 divisors (see below), whose sum is σ = 544107004128. Its totient is φ = 261977446224.

The previous prime is 400523211211. The next prime is 400523211223. The reversal of 400523211213 is 312112325004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400523211213 - 2¹ = 400523211211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400523211211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259506795 + ... + 1259507112.

It is an arithmetic number, because the mean of its divisors is an integer number (68013375516).

Almost surely, 2^400523211213 is an apocalyptic number.

It is an amenable number.

400523211213 is a deficient number, since it is larger than the sum of its proper divisors (143583792915).

400523211213 is a wasteful number, since it uses less digits than its factorization.

400523211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519013963.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 400523211213 its reverse (312112325004), we get a palindrome (712635536217).

The spelling of 400523211213 in words is "four hundred billion, five hundred twenty-three million, two hundred eleven thousand, two hundred thirteen".